[n] an intricate trap that entangles or ensnares its victim
\En*tan"gle*ment\, n. State of being entangled; intricate and confused involution; that which entangles; intricacy; perplexity.
1. (Mil.) An extensive low obstacle formed of stakes, stumps, or the like, connected by wires, ropes, or the like.
2. (Naut.) An obstruction of cables and spars across a river or harbor entrance.